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Q. SSMmNnYy x SsMmNnYy. Assume that Mendel’s 1st law does not apply to the S/s gene...

Q. SSMmNnYy x SsMmNnYy. Assume that Mendel’s 1st law does not apply to the S/s gene such S is biased over s by 20%. Which of the following genotypes occur in F1 with a probability of 0.421875
a. S_M_N_Y_
b. SsmmNnYy
c. SSMmNnYy
d. SsMmNnYy
e. S_M_nnyy
f. None of the above
g. More than one of the above

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Answer #1

The answer is "D". SsMmNmYy. Since "S" allele is 20% biased over "s". there is a decrease in genotype frequency.

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